BSC 160 1nd Edition Lecture 3 Outline of Last Lecture 1 Microorganism relationships 2 Robert Koch 3 History Vaccines antimicrobial compounds Outline of Current Lecture 1 Types of microorganisms 2 Evolution of Microbio 3 Prokaryotes 4 Eukaryotes Current Lecture Antimicrobial compounds Any compound that can destroy inhibit growth of microbes pathogenic microbes Ex Syphilis Autotroph Creates own food CO2 Food Chemlifotroph Creates food from chemicals Plasmids Extra genomic bacteria uses to confer properties Circular DNA outside genome Restriction enzyme Cut DNA specific sequences Want these for mutations replications cut up viruses bacterial defense Chapter 22 Evolution Implications for Microbio Prokaryotes appeared alone but diverse Evolution by natural selection Eukaryotes Prokaryotes ate each other let them live there Reptiles Cockroaches Mammals Humans Prokaryote Do not have nucleus Simple organization metabolically complex No membrane bound organelles Have ribosomes to synthesize proteins Have plasma membranes Eukaryote Have nucleus complex structure metabolically simple Membrane bound organelles Allows to control DNA Phylogeny Natural relatedness between groups of organisms o All new species originate from preexisting species o Closely related organisms have similar features from ancestors These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Evolution usually progresses toward greater complexity Ancestor primitive complex Closer the common ancestor more similar qualities
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